2221012311211 has 8 divisors (see below), whose sum is σ = 2225282623200. Its totient is φ = 2216744108352.

The previous prime is 2221012311191. The next prime is 2221012311239. The reversal of 2221012311211 is 1121132101222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221012311211 - 2⁵ = 2221012311179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221012311281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588986 + ... + 2639488.

It is an arithmetic number, because the mean of its divisors is an integer number (278160327900).

Almost surely, 2^{2221012311211} is an apocalyptic number.

2221012311211 is a deficient number, since it is larger than the sum of its proper divisors (4270311989).

2221012311211 is a wasteful number, since it uses less digits than its factorization.

2221012311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054565.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2221012311211 its reverse (1121132101222), we get a palindrome (3342144412433).

The spelling of 2221012311211 in words is "two trillion, two hundred twenty-one billion, twelve million, three hundred eleven thousand, two hundred eleven".